GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Saab
🢒
2007
🢒
9-7x
🢒
HVAC
🢒
HVAC - Automatic
🢒 HVAC Schematics
Figure
1:
Module Power, Ground, Serial Data, and Blower Motor
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Compressor Controls
Ignition Switch - ACCY/RUN/START, RUN, START Bus Bars, and IGNA1 Fuse
B+ BUS - Rear Fuse Block
B+ BUS - Underhood Fuse Block - 1 of 2
G201 - 1 of 2
4WD, BRK, FRT WPR, HVAC I, IGN 0, and TCM Fuses
4WD, BRK, FRT WPR, HVAC I, IGN 0, and TCM Fuses
HVAC B, LGM/DSM, OH BATT/ONSTAR, and RADIO Fuses
SP205
G201 - 1 of 2
G102
G201 - 1 of 2
Figure
2:
Compressor Controls
Master Electrical Component List
Air Temperature Description and Operation
Control Module References
Air Delivery/Temperature Actuators
Module Power, Ground, Serial Data, and Blower Motor
B+ BUS - Underhood Fuse Block - 2 of 2
G104, G105, and G107
B+ BUS - Underhood Fuse Block - 2 of 2
BCK/UP, BTSI, IGN E, and TRLR BCK/UP Fuses
SP205
G104, G105, and G107
G104, G105, and G107
G101, G103, G106, and G110
Figure
3:
Air Delivery/Temperature Actuators
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Air Temperature Sensors
Compressor Controls
Ignition Switch - ACCY/RUN/START, RUN, START Bus Bars, and IGNA1 Fuse
B+ BUS - Rear Fuse Block
G201 - 1 of 2
4WD, BRK, FRT WPR, HVAC I, IGN 0, and TCM Fuses
4WD, BRK, FRT WPR, HVAC I, IGN 0, and TCM Fuses
G201 - 1 of 2
Figure
4:
Air Temperature Sensors
Master Electrical Component List
Air Temperature Description and Operation
Control Module References
Ambient Light/Sunload Sensor
Air Delivery/Temperature Actuators
G302 - 1 of 2, G303, and G304
Figure
5:
Ambient Light/Sunload Sensor
Master Electrical Component List
Air Temperature Description and Operation
Control Module References
Rear Auxiliary Controls
Air Temperature Sensors
Figure
6:
Rear Auxiliary Controls
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Ambient Light/Sunload Sensor
SP205
HVAC B, LGM/DSM, OH BATT/ONSTAR, and RADIO Fuses
B+ BUS - Rear Fuse Block
B+ BUS - Rear Fuse Block
G201 - 1 of 2
4WD, BRK, FRT WPR, HVAC I, IGN 0, and TCM Fuses
G201 - 1 of 2
4WD, BRK, FRT WPR, HVAC I, IGN 0, and TCM Fuses
G201 - 1 of 2
G201 - 1 of 2